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September in Pétionville sees daytime temperatures around 30°C (86°F) and lows of 21°C (70°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
September in Pétionville has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Pick a month to see the average temperature, rainfall and sunshine in Pétionville - and find the best time to visit.
Browse day-by-day weather records for Pétionville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 21 years of weather observations in Pétionville between 2005 and 2026, these are the recorded extremes.
Find out more about the weather in Haiti and which places have the best travel conditions in this month. See all of Haiti in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Pétionville climate overview or explore weather in Haiti.
Where to go in September - average daytime high across popular destinations.
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